All Questions
1,622 questions
-1
votes
0
answers
14
views
Forest type data
Is there any open forest type dataset available for India other than that available in BHUVAN with 5km resolution and implementing only the major forest types?
-1
votes
0
answers
23
views
Is there any way to access road data from Google or ESRI in vector format? [closed]
I’m looking at region of Saudi Arabia where the OSM data is very incomplete. I noticed much more complete data on Google Maps and also ArcGIS Online (I didn’t make a bookmark but you can use the ...
- 133
0
votes
0
answers
17
views
Access to MQTT server [closed]
I want to visualize coordinates from a MQTT server (subscribe). Do you know a plugin or any other solution to realize this requirement? The coordinates should be displayed on the map in a separate ...
- 1
-1
votes
1
answer
29
views
Kolkata metropolitan area shapefile
I have searched everywhere but I could not find the figure to digitize or any shapefiles through which I can clip out the shapefiles. How can I make a shapefile for Kolkata metropolitan area?
1
vote
0
answers
32
views
Seeking open data for land parcels in Germany [closed]
I am looking for open data regarding land parcels (cadastral data) in Germany. I have found such datasets for other countries, like France, but I haven’t been able to locate similar data for Germany.
...
- 139
4
votes
1
answer
80
views
Showing lines as stacked bars side-by-side in QGIS
In QGIS 3.38 I am working on a project for a nonprofit, and I'm visualizing value data joined to a line feature by segment. There are three lines across the route, with left ditch, road, and right ...
- 41
0
votes
0
answers
28
views
Seeking world shapefile in 2000 [closed]
I am looking for a shapefile of world administrative boundaries in 2000 (even one or two years before and after is fine). I have been looking around for a bit, but I was not successful.
Any suggestion?...
- 139
-1
votes
0
answers
25
views
Authentication issue accessing Satellogic Open Dataset
I’m trying to access Satellogic’s open dataset for Earth observation. I came across their Open Data Program here and found an example using Python to interact with the dataset via a script.
Here’s the ...
- 2,215
-2
votes
1
answer
44
views
Archaeological cultures dataset (GeoJSON or other format)
I am looking for "archaeological culture" map boundaries and points, like this list of Upper-Paleolithic cultures on Wikipedia. Quick sample:
The Aurignacian culture was located in Europe ...
1
vote
1
answer
51
views
Using OMI/Aura Ozone (O3) Total Column Daily L3 Global [closed]
I am quite new to GIS and I am not trained in this field. My current work interfered with GIS and I found myself at an impasse.
Does anybody know if the data from OMI/Aura Ozone (O3) Total Column ...
- 121
0
votes
0
answers
15
views
world_clim funtion in bioclim package can not deliver worldclim "bio" variables from Russia
Trying to download worldclim "bio" variables from Russia using bioclim package but are getting errors (see below). Doing the same thing for other countries such as Sweden, Norway, Georgia ...
1
vote
1
answer
32
views
R: bioclim tile function is giving me tons of values of bioclimatic variables for specific coordinate point from worldclim
I simply want the data on the 19 bioclimatic variables in worldclim for specific coordinate point. But when doing the below I get tons of values but do not know what they represent. I would like to ...
0
votes
1
answer
66
views
How to convert daily ERA5 data to Monthly mean data in GEE
I want to convert daily max temperature data to monthly average from ERA5 daily data
// Combine shapefiles into a list
var shapefiles = [
table, table2
];
var variables = [
'temperature_2m_max',
...
- 11
0
votes
0
answers
45
views
Extracting data from Danish open data dump file in QGIS
For an interactive map, I need to create a list of all settlements, even very small ones, of Denmark (except Greenland) including name, longitude and latitude.
At first, I thought I'd extract that ...
- 101
0
votes
0
answers
17
views
Absence of Excel number script coordinates
I have written the following script code and it has given me the monthly data of the annual growth of wheat from 2000 to 2023 in the form of graphs and Excel. Then I have added the slope of the ...
1
vote
0
answers
65
views
Grouping data points based on proximity and minimal count of attribute in QGIS
I am using QGIS to map animal counts on farms in the Midwest US and using a circle polygon to show where there are more than 30,000 animals between all the farms in that specific area. Each data point ...
- 11
0
votes
0
answers
118
views
Downloading OSM data for whole of Netherlands via Geofabrik
I need shapefile data for roads and railways in the Netherlands. I can use https://download.geofabrik.de/europe/netherlands.html to download several files. However I can only data for each province (...
- 11
0
votes
1
answer
90
views
ESRI Land Cover 2050 download
I need a 2050 land cover map for Central and South Americas. I found ESRI's 2050 Land Cover raster but was not able to download it.
They have an online interactive map, but with no download option. I ...
- 45
0
votes
0
answers
33
views
OData Copernicus API single bands
I'm writing a python pipeline to download and process some S2 data and I am using the Copernicus API for the download part.
As I only need two bands (B04 and B08), I was wondering whether it's ...
- 1
0
votes
1
answer
60
views
Source for satellite images without geometric correction
I need satellite images for a university project and they must not have passed through geometric correction. So far the images I have found are already geometrically corrected in some form. Is there a ...
0
votes
0
answers
60
views
Importing CSV in QGIS results in inverted Y coordinates
I recently did a surveying job using 2 Emlid Reach M2 receivers (a base and a rover). All points were taken using the NAD83 MTM 7 projection. When I try to import a CSV file in QGIS, the Y coordinates ...
0
votes
0
answers
32
views
Repository where I can find old / obsolete ISO3166 codes of countries including previously existing ones
Where can I find old ISO3166 codes for countries including the ones that do not exist anymore, changed their name, etc.? I need this for all years 1961 through 2021. All I could find online was up to ...
- 109
-1
votes
1
answer
40
views
Canadian Cities as points [closed]
I'm looking for a dataset with Canadian cities as points. I only need this for the Greater Toronto and Hamilton Area (GTHA).
- 3
0
votes
0
answers
31
views
Looking for national landscape character typology - England
Natural England had created a landscape character type dataset which was available on Magic (https://magic.defra.gov.uk/magicmap.aspx), though it has since been removed - or the licence has. Is this ...
- 11
0
votes
2
answers
296
views
Triangulated Irregular Network (TIN) as a type of data in GIS
I'm taking an online GIS course of a reputed university and the instructor categorized GIS data types as
Raster
Vector, and
Triangulated Irregular Network (TIN).
Now I know that TIN is a vector ...
- 9
0
votes
0
answers
50
views
Issues with QGIS map projection and symbolizing point data
First off, I am using version 3.28 QGIS-LR on a Macbook 2015. I am currently taking an introduction course to GIS. One of the assignments was learning to project maps and visualize point data using ...
7
votes
1
answer
72
views
Finding out date format in the list of house numbers in QGIS
In my dataset, the data which contains house numbers are converted to date format in QGIS. Is there any script or tool to identify and convert them to normal format?
E.g. Case:
Actual Door No format ...
- 849
0
votes
1
answer
167
views
Get values from raster file in R
I have never used satellite data and I'm using NASA's information of PM2.5 "Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), 1998-2019, V4.GL.03", I got it ...
- 3
0
votes
1
answer
74
views
Converting VICAR data to TIFF
I want to convert the VICAR data found at this ASU link
to TIFF that I can use in ArcGIS Pro.
How am I able to do this?
- 69
-1
votes
1
answer
182
views
Can't find symbology layer for ESRI Global Land Cover
I have downloaded part of the ESRI Global Land Cover (https://livingatlas.arcgis.com/landcover/) as a raster but I am missing the symbology/legend info. The raster obviously contains numerical values ...
- 746
0
votes
0
answers
123
views
Add admin levels to corresponding lat/long
I am fairly new in using GIS, I have a dataset with lat/long references, corresponding to points throughout the world. I would like to add the corresponding admin1,2 and 3 levels. I've been trying ...
- 1
-1
votes
1
answer
56
views
Seeking atmospheric WMS data for South America and Brazil
I'm working in a environmental project in Brazil and I need to create, if possible, a map service to show atmospheric conditions.
I'm looking for a WMS source to show cloud and another atmospheric ...
-1
votes
1
answer
436
views
Sourcing GIS map and shapefile of Sudan
I have no prior knowledge with GIS.
I am looking to source a GIS map of Sudan (North Sudan) after the succession (2010) projecting the states of Sudan.
I also need to get a shapefile of Sudan.
I have ...
4
votes
1
answer
332
views
Why GADM state/county shapefile for Kenya does not line up with OpenStreetMap data?
I am fairly new to QGIS and am using XYZ Tiles for OpenStreetMap and shapefile layers from GADM to see boundaries in Kenya (to start).
I have an OpenStreetMap layer and gadm41_Ken_1.shp layer and the ...
- 41
-1
votes
1
answer
255
views
Downloading whole earth satellite image and terrain for Cesium use
I'm developing some things based on Cesium lib offline(without the internet). So I have to set up a local tile/TMS server for use in offline network conditions. I need some guidance/information about ...
- 1
0
votes
1
answer
181
views
Cadastral areas of Ukraine [closed]
I´m looking for cadastral areas of villages of Ukraine. Is there some available that can be used to work with them in Qgis?
1
vote
1
answer
40
views
Merge shapefiles with different divisions
I have two shapefiles with similar borders but different internal divisions. One shapefiles shows schools' catchment areas and I have a field "mobility". In the other shapefile, there are ...
- 348
-1
votes
1
answer
185
views
Official road and rail networks of Brazil [closed]
I am looking for the official road and rail networks of Brazil, produced by a government department. I haven't been able to find it on the IGBE website and the Humanitarian Data Exchange utilises a ...
- 93
1
vote
0
answers
75
views
Raster data are shown but can't be clipped or changed
I'm struggling with a new problem on QGIS 3.30. Here's what I want to do:
I downloaded raster data from my country in .img and can easily import them from my local driver into QGIS. The problem: After ...
2
votes
1
answer
185
views
Prioritise label by field containing data importance in the data QGIS
I have a file with many labels to show on a map. However, I want to prioritize the label by it's data. Example if my data says 3000 people live in a city, I want to prioritize this over the one that ...
- 21
3
votes
0
answers
136
views
Coordinates: optimizing a table that contains lng/lat coordinates for clustering (in PostGIS)
I have table in PostGIS where I store coordinates in the 4326 lng/lat SRID, to make it easy to store GPS coordinates collected from mobile devices.
I'm using the coordinates to query the table based ...
- 31
-1
votes
1
answer
80
views
Check whether an element is maintained over time [closed]
I have a 6 years time series with a thousand of detections of elements in cities (all databases have the same structure).
Year
geometry
Area-m2
2000
POINT (-122.38705 37.72066)
37.326319
2000
POINT ...
0
votes
1
answer
327
views
Download NDVI data in Excel for every country in the world from 1982 to 2016
I am a research intern and I need to get the average monthly NDVI for all countries in the world in an Excel file.
How can I do this?
I have already tried with NASA EarthData, Copernicus, Google Earth ...
- 11
1
vote
1
answer
104
views
QGIS 3.28.3 Firenze - How to show info in a GeoJSON file imported as a raster next to the concerned points
I'm having problems with GeoJSON files from the renass.unistra.fr/ site. Those contains seismic data build this way:
{"features":[
{"geometry":{"coordinates":[0....
- 13
-1
votes
1
answer
49
views
Looking for the giant list of municipalities of the world
I have a newbie question, but one that didn't seem to match earlier questions. I need a complete list of municipalities and their location for a bunch of countries. The data I need is just name, ...
- 97
0
votes
0
answers
38
views
Time format/ data display changes following join then export to data
I am working on a simple join of data in an excel table to create an attribute table from kml's that were converted to polygons. The join works perfectly, however when exporting the data as a new ...
- 1
-2
votes
1
answer
133
views
How to only get the population per country with World Bank Open Data
I try to get the population of every country with an API, but I looked at the World Bank Open Data but I can't find just the population of each country.
I looked, and I find lots and lots of data ...
- 101
0
votes
0
answers
83
views
Data sources that can be used to retrieve country from latitude, longitude, and date
I have seen countless questions asking about converting latitude / longitude coordinates into country, state, town, etc., but I found no question which includes a time component. I have tried many ...
- 109
-1
votes
1
answer
519
views
How to download the Sentinel-3 OLCI WFR data
I am interested in Sentinel-3 data concerning water parameters: OLCI WFR at level 2.
I've never used Sentinel data before so probably I am just doing something wrong. Based on the Sentinel User Guide ...
- 99
-1
votes
1
answer
503
views
Where can I find a map of US county boundaries that reasonably shows the boundaries over bodies of water?
Census, ESRI, and others provide shapefiles and feature classes of US county boundaries, but all the data sets I can find seem to clip the boundaries at the shoreline. So they really only show the ...
- 13